Durable Ziploc Gallon Freezer Bags with Power Shield Technology are puncture-resistant and seal in fresh food with an easy-open slider to help to protect from freezer burn. Thanks to their expandable bottom, large Ziploc freezer bags can stand without support in a fridge or freezer, maximizing your storage space. Ziploc slider bags are great for storing bulk food ingredients, pre-prepared meals or leftovers in the freezer, keeping them safe for enjoyment in the future. Save money and reduce waste by reusing Ziploc BPA-free* plastic slider freezer bags as directed. *Product not formulated with BPA